Mortising-machine



t 0v e h S w e e h S 2 R Pm IH NU MA 1M HG m -S Vfi M (No Model.)

No, 399,435. Patented Mar. 12, 1889.

s. Photo-Lilhoghpher. Wnshinglun o c llNTTnn STATES PATENT @rricE.

FRANFIS V. liIlLhllS, ()F IIH TAGQ ILLINOIS, ASSTGNOR TO THE CHICAGOSASlI ll'l/LEY COMPANY, OF SAME PLAUE.

iVlORTlSlNG-MACHINE.

SPECIFICATION forming part of Letters Application filed April 15, 1887.

To (1W whom it III/e7; concern:

Be it known that 1', FnANcis V. PHILLIPS, of Chicago, in the county ofCook and State of lllinois,have invented certain new and usefulInun'ovements in MortisingMaehines; and I do hereby declare that thefollowing is a full, clear, and exact description thereof, referencebein had to the accompanying drawings, and to the letters of referencemarked thereon, which form a part of this specification.

This invention relates to an appliance intended to be used uponmortisirig-machines for the primary purpose of controlling or gaging thelength of the mortise, and which, as preferably constructed, not onlygages the length of the n'iortise, but also holds the piece beingmortised down to the bed against the lifting tendency of the chisel.

The invention consists in the matters hereinafter described, and pointedout in the appended claims.

The accompanyingdrawi ngs illustrate three of many practicable forms inwhich my invention may be emlmdied.

Figure l is a central vertical sect ion taken longitudinally through theslot of a guideplate and through the slide which works therein, togetherwith a side view (broken) of the bed and of the stripbeing mortised.Fig. 52 is a top view of thematters shown in Fig. 1. Fig. 3 is a centralvertical longitudinal section of a slotted base-plate, a slide workingthereon, and a cam-lcwer for compressing the clamp-jaws. Fig. lis a topview of the clamping-jaws shown in Fig. 23; Fig. 5 a side elevation,partially in a central vertical sec tion, of a guide-plate and slide,showing another t'orm of clamp device and. stop for limiting themovement of the slide. Fig. 6 is a sectional plan view of the partsshown in Fig. 5, taken on line as .1 of the latter figure.

A i n all of the figures represents a guide-plate for a slide, whichguide-plate is secured to the bed of a inortising-machine, (representedat A.) Said guide-plate'A is shown as having a central longitudinalslot, (1, having lateral rabbets or recesses c. on both sides in theunder side of the plate. The slot is limited at both ends by cross-l arsoi the plate, or equiv- Patent No. 399,435, dated March 12, 1889.

Serial No. 234,899. (No model) alent means, to restrict the range ofmovement on the part of the slide.

'3 is a slide titted to the margins of the slotof the guide-plate A in afamiliar manner.

0, Figs. 1 to 4, is an ad justingscrew threaded through the outercross-bar of the guide-plate and arranged to run in the direction of theslot, whereby itmay serve as a stop for limiting the range oi movementof the slide 13.

t", Figs. 5 and 6, is a plate adjustably at tached to the guide-plate,and serving as a stop for the slide 1% in place of the adj ustingscrew0. An adjustable stop may of course be provided at each end of the slotof the guide-plate, if desired.

Above the guide-plate the slide B is pro vided with some suitable meansfor engaging the strip of wood which is to be mortised, so that theslide will be drawn along with the strip or stuff as the latter is movedupon the bed A beneath the mortising-chisel C, and so that the slide,thus engaged with the stuff, will arrest the latter when the slidereaches the end of its movement in the slot of the guide-plate A. Iprefer that such engaging means shall be in the nature of a clampcalculated to hold. the stall down to the bed as well as to limit itsmovement. To this end, ll is a fixed lower jaw, and B is of the stuffmay be grasped.

In Figs. 1 and 2 the upper jaw, B is in the form of a screw-threaded nuttilted to the screw-bolt Z), which rises from the slide B. I11 thisinstance the slide l; is of T shape and the lower jaw, 13, is in theform of a washer placed about the screw-bolt h.

In Figs. 3 and 4-, h is a plain post rising from the slide 1-3, having amovable jaw, B fitted to slide thereon like the movable jaw of amonkey-wrench upon the shank, and B is a cam-lever pivoted at 11 to theupper end of the post b above and bearing upon the upper jaw, B This orsome equivalent adaptation of a cam is mechanically preferable to thesimple screw shown in previous figures as being quicker in its actionthan the ordinary screw. in this instance the lower jaw,

a movable upper jaw, between which the end So B, is formed by the topsurface of the slide itself. A spring, 19 is shown in position to raisethe movable clamp-j aw B when the cam is retracted.

In Figs. 5 and G, B is a rigid post or standard attached to the slide18, and provided with a horizontal arm, 6 at its upper end. B is a screwthreaded in the arm b and carrying the upper clamp-jaw, B The screw Bis. provided with a crank or hand wheel, B, whereby the screw maybeturned for actuating the upper clamp-j aw.

\Vhen the stuff D is seized between the jaws B and i the lattermanifestly holds that end of the stuff down to the bed of the machineagainst the lifting action of the chisels (seen at E) when rising out ofthe mortise after the down-cut, and when, as in the particular case ofwindow-stiles the stuit is being mortised to receive sash-cord guides,the mortise is near the end of the stuff, this clamp is practically allthat is needed to enable the operator to keep the work to themachinebed. If this clamping efiect is not needed in the appliance, butonly such engagement of the slide with the stuff as will insure theregulation of the length and position of the mortise, then a singlesharp spur, as 19 (shown in dotted lines of Figs. 1 and 4,) or a similardevice, may be provided on the slide to penetrate the stuff or stileunder hand or other pressure, and the screw or post and clampingjaws maybe omitted.

In Figs. 4 and 5 the slide B consists of a plate provided with oppositeguide-grooves, b b and the cross-bare of the guide-plate at one end ofthe latter is depressed below the end of the side margins of the slot a,which side margins form the guides for the plate in such manner that theslide may be engaged with the guide-plate by thrusting it over the saidcross-bar a In this instance the bar 0, forming the stop for the slide,is secured by a screw or screws, 0, to the crossbar the said bar C beingprovided with a plurality of screw-holes, c, to allow an adjustment ofthe bar longitudinally of the guideplate.

The adjusting screw or screws C,bar C, or other forms of adjustable stopor stops, may be employed it the work requires provision. for avariation in the length or position of the mortises within certainlimits.

If the appliance is secured to the surface of the bed, a supplementalbed-piece, A will be secured upon the bed to raise the stuff intoposition to enter the jaws or rest upon the slide.

I claim as my invention 1. In combination, the horizontal table forsupporting the work, the slotted plate having guideways, a movable partfitted to said slotted plate and adapted to engage with the material,and a stop supported by the plate in direct line with the movable part,for limiting its movement, substantially as described.

2. The combination, in a mortising-machine, of a stationarywork-supporting table, a slotted guide-plate secured thereto, a slide,as B, engaging said guide-plate and movable there on, a clamp carried bythe slide B for engaging the material to be operated upon, and anadjustable stop passing through the end of the slotted guide-plate inthe path of the slide B, whereby the movement of the work is lim ited,all substantially as described.

In combination, a table for supporting the work, a cutting-tool,guideways on said table, a movable plate adapted to said guideways, aclamp carried by said movable plate for engaging the top of the work,and a spur, b, on said plate adapted to engage with the work, allsubstantially as described.

In testimony that I claim the foregoing as my invention I aflix mysignature in presence of two witnesses.

FRANCIS V. PHILLIPS.

IVitnesses:

O. CLARENCE PooLE, CHARLES T. Lonnvc.

